Fixed-Angle Overhead Display Recessed in Aircraft Storage Compartment

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Solution Overview

Problem

Existing aircraft overhead displays require complex mechanisms like motors and springs to extend and retract hinged passenger displays, which are inefficient and not adaptable to advancements in display technology.

Innovation Solution

A fixed-angle overhead display system that fits within a recessed basin in the overhead compartment, using a base frame and a fixed-angle frame to mount a flat panel display, eliminating the need for rotating mechanisms and reducing complexity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If hinged displays with motors and springs are used to extend and retract displays, then the display can be positioned for viewing, but the mechanism becomes complex and requires more space

Engineering Contradiction:
Improvedisplay positioningVSAvoidmechanism complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent removes the complex motor and spring mechanisms from the display system entirely. Instead of using hinged displays that extend and retract, the invention integrates the display directly into the overhead compartment structure, eliminating the need for mechanical positioning components while maintaining viewing functionality.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The display unit is merged with the overhead compartment structure itself. The display is positioned within the compartment and viewed by passengers below, combining the storage compartment and display viewing functions into a single integrated structure, thereby eliminating separate positioning mechanisms.

Inventive Principle:
Principle #5Merging (Combining)

2Ease of operation

If hinged displays with motors and springs are used, then the display can be extended for viewing, but the system requires more maintenance

Engineering Contradiction:
Improvedisplay extensionVSAvoidmaintenance requirements
Core Design Contradiction:
Ease of operationVSEase of repair

Solution Approach 1:

The patent extracts and eliminates all moving mechanical parts including motors, springs, and hinges from the display system. By making the display fixed within the overhead compartment, the system removes components that would require maintenance, thereby improving ease of repair and reducing operational overhead.

Inventive Principle:
Principle #2Taking out (Extraction)

3Device complexity

If a fixed-angle display is recessed in the overhead compartment, then the profile is lowered and complexity is reduced, but the display angle must be optimized for viewing

Engineering Contradiction:
Improvesystem complexityVSAvoidinstallation precision
Core Design Contradiction:
Device complexityVSEase of manufacture

Solution Approach 1:

The patent applies local quality by optimizing the display angle specifically for passenger viewing from seated positions. The fixed-angle frame is designed with a predetermined angle that provides optimal viewing geometry for passengers in the aircraft cabin, ensuring that the fixed position delivers the required viewing quality without needing adjustment mechanisms.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS10744954B2Overhead display screen
Publication Date: 2020.08.18 SAFRAN PASSENGER INNOVATIONS LLC
  • US10744954B2 patent drawing

AI summary

An entertainment display system for use within vehicles such as aircraft or buses. Systems of the inventive subject matter include a base component forming a basin with a fixed angle frame coupled with the basin. The system can then be installed into the bottom surface of an overhead storage compartment or the like. Methods of the inventive subject matter include steps required to install the system into a vehicle.